<template>
   <div>
        <city-header></city-header>
        <city-search :cities="cities"></city-search>
        <city-list :cities="cities" :hot="hotCities" :letter="letter"></city-list>
        <city-alphabet :cities="cities" @change="handleLettterChange"></city-alphabet>
   </div>
</template>

<script>
import axios from 'axios'
import CityHeader from './components/header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'

export default {
name:'City',
    components: {
        CityHeader,
        CitySearch,
        CityList,
        CityAlphabet
    },
    data(){
        return{
            cities:{},
            hotCities:[],
            letter:''
        }
    },
    methods:{
        getCityInfo(){
            axios.get('./static/mock/city.json')
            .then(this.handleGetCityInfoSucc)
        },
        handleGetCityInfoSucc(res){
            // console.log(res)
            res=res.data
            if(res.ret && res.data){
                const data =res.data
                this.cities=data.cities
                this.hotCities=data.hotCities
            }
        },
        // 接受子组件的传递的值
        handleLettterChange(letter){
            this.letter=letter
            // console.log(letter)
        }
    },
    mounted(){
        this.getCityInfo()
    }
}
</script>

<style>

</style>
